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Safe grounding system design for a photovoltaic power station

机译:光伏电站的安全接地系统设计

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摘要

A safe and cost-efficient grounding system design of a 3 MWp photovoltaic power station according to IEEE Std 80-2000 is presented. Grounding analysis is performed by considering the metal parts of the photovoltaic panel arrays foundations as auxiliary ground electrodes. Utilizing also horizontal ground conductors, required solely for the interconnections of the metal support structures of the photovoltaic panel arrays, both safety and cost-efficiency in grounding system design have been achieved. It is shown that in large-scale photovoltaic power stations where the metal parts of the panel arrays foundations are concrete encased the concrete resistivity is not an important parameter in evaluating the safety performance of the grounding system.
机译:提出了根据IEEE STD 80-2000的3 MWP光伏电站的安全且经济高效的接地系统设计。通过将光伏板阵列阵列基础的金属部件视为辅助接地电极来执行接地分析。仅利用水平接地导体,仅需要用于光伏板阵列的金属支撑结构的互连,已经实现了接地系统设计的安全性和成本效率。结果表明,在面板阵列的金属部件是混凝土的大型光伏电站,在混凝土中封装的情况下不是评估接地系统的安全性能方面的重要参数。

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